Fuel-tank-filling device



June 12, 1928. 367393455 SLECZERNER FUEL TANK FILLING DEVICE Filed May 2U, 1926 2 Shee'bS-Shee' l I 9'/ ,Z2 229/ I *2 /0 .77 i 76 Q IZ' f Inventor Ze//fef ttorfzey June 12, 1928.

S. F. CZERNER FUEL TANK FILLING DEVICE Filed May 20, 1926 2 VSheets-Sheel 2 y Inventor 5^?. Giza/we# ttomey PATENT OFFICE.

SEYEBIN'lF. CZEBNER,-OF KINGS MILL, TEXAS.

FUEL-TANK-FILLIG DEVICE.

Application led Hay 20,

This invention relates to an improved device capable of/supplying fuel to the tank or Areservoir of an automoblle engine While the ously for actuating belt pulleys and without reqlliring stopping of the engine to refill the tan Briefly, the invention has reference to a device which is adapted to replace the customary screw threaded filler cap, this device having means for connection of a fuel conducting hose or the like, and means for attachment of a suction conduit which is employed for sucking the fuel through the hose and device and feeding it into the tank.

The specific details and their relative arrangement will become readily apparentv from the following description and drawings, and by carefully considering the same, the operation and advantages will also be clear.

Figure 1 is a side view of a portion of a conventional form of tractor equipped with devices constructed in accordance with the present invention. Y v

Figure 2 is a somewhat diagrammatic view showing the manner in which the fuel is taken into the tank from an appropriate receptacle. v

Flgure 3 is a vertical section through-the part forming the major detail ofthe invention.

Figure 4 is a detail sectional view of one form of control valve which is used in association with the device.

Figure 5 is a section through' the valve shown in Figure 4.

Figure 6 is a view like Figure 5 showing a slightly different form of valve.

Figure 7 is a longitudinal section through a safety valve which is used as a part of the invention.'

Figure 8 is a bottom plan view of theioat chamber seen in Figure 3. "f

Figure 9 is aperspective view of the float.

In the drawings, in Figure 1, the reference character 1 designates a'radiator, 2 the main fuel tank, 3 an auxiliary fuel tank, 4 the engine, 5 the intake manifold, and 6 the car- 5g buretor. Valved pipes 7 and 8 are connected with the respective tanks'2 and 3 and depend 1926. Serial No. 110,584.

therefrom and connect with a fuel conduct-k ing pipe 9 whichleads through the carburetor as here shown.

In accordance with my idea, the usual screw closing cap for the tanks 2 and 3 are replaced with devices generally indicated by the reference characters 10. At this time I wish to call attention to the fact that all tractors are not provided with a dual arrangement of tanks. Moreover, aseach device 10 is of the same construction, a descrlptionof one will suiice for both. At this time I would therefore direct attention to Figure 3 wherein one of the devices is shown in detail. In this ligure the reference character 1l designates aninterlially screw threaded skirt which is .adapted to screw on the usual filler neck on the tank. This skirt 1s provided with integral diametrically opposite branches 12 and 13 vwhich are corrugated as at 14 to permit connection of a flexible tube or hose therewith. A bored plug .15 is fitted into the endof the branch 12.v In addition, a bored externally screw threaded nipple 16 is lit-ted into the end of the branch 13. The inner ends lof these branches are formed with deector shields 17. Moreover, there is an upstanding screw threaded flange 18 of circular form provided here, and extending inwardly from this flange is an annular supporting ledge 19. This ledge servesfto support a float chamber which is formed within an es ecially designed tube 20. This tube is simp y formed at its upper end with 4an outstanding marginal flange which rests removably upon the ledge 19. By referring to Figure 8 it will be seen that this tube 20 is provided with opposed concaved walls 21 and is formed at its bottom and top with appropriate apertured spiders 22. Fitted rotatably into the apertures in the spiders are the reduced journals on the opposite ends of a twisted gage operating member 23. It will be noted that an appropriate indicator 24 is mounted on the upper end of the member 23. This indicator is confined in an appropriate housing which is formed by a removable glass disc 25 held in place on the. flange 18 by clamping ring 26. With this arrangement itwill be seen that all the parts ofthe device are detachably connected together so that they may be replaced in case of injury. I would also direct attention here to an especially designed -loat 27 of cork which is slidably mounted on the operating member 23 and isconfined lin the correspondingly shaped tubs 20. Ob-

` cial three-way valve 28, which as shown in f the fuel Figure 4 is provided with a rotary plug in turn provided with an independently adjustable needle valve 29. Mounted on the various branches as shown here are appropriate couplings 30 for connecting pipes with the branches. For instance, where two of the devices 10 are employed on two fuel tanks 2 and 3, individual 'conducting tubes or their equivalent 3l and 32 will be connected with appropriate branches, for in stance 33 and 34 ,on the valve shown in Figure 5. In addition,`these tubes will be connected with the nipples 16 of the devices 10. Connected with the remaining branch 35 is a suction conducting pipe 36 which is in turn connected at its opposite ends with the intake manifold 5. Located in this pipe 36 is a safet valve 37 of the construction indicated in igure 7. As here shown, it simply embodies an internal pivotally mounted flap valve 38 and a spring retained closingvalve 39. Obviously this valve is to serve as a safety appliance in the case of back fire of the engine. Attention is also directed to a by-pass 40 which is connected to the lower branch 41 of the three way valve. This communicates with the portion 42 of the aforesaid valved 4pipe 8. At this time I would direct attention to Figure 2 wherein it will be seenr that the reference character 43 represents a rubber hose which is adapted to extend down into a fuel supply barrel or the like 44. Thus, when the engine is in operation and suction is produced through the pipe 36, the valve 28, andV one of the conduits 31 or 32, the fuel in the barrel 44 will be sucked upwardly through the hose 43 and supplied to the tank 2 or 3 as the case may be.A Where only a single tank is provided, the three way valve 28 will be replaced with a single way valve, or rather a double way valve 45, as shown in Figure 6.

It is desirable to permit refilling of the tanks while the engine is still in operation, and to do this I contemplate providing a small tank or reservoir 46 havlng a screw threaded neck 47 screwed into an openin in the bottom of the tank 3 as shown in igure 2.

The couplin 47 is provided with a valved passage 48 w ich conducts fuel from the tank 3 into this tank 46. From the tank 46 passes through the pipe 49 to the carburetor 6. The by-pass 50 is here connected \with the bottom branch 41 of the valve 28or 45 as the case may be, and when thel needle valve is open it 1s obviousthat suction willy be-*produced lthrough the vbypass in the pipe 49, thus drawingl fuel from the auxiliary tank 46. Thus, by aving this tank 46 full of fuel, it will sufiice to run the engine while the other two tanks are being filled. It is of course understood that one tank 3 may be filled with one grade of fuel, and the other tank 2 may be filled with another grade of fuel from separate sources of supply. Moreover, these are not filled at the same time because the three way valve is turned so that only one of them is filled at a time.

This device would no doubt operate satisfactorily as a auge and even as a fuel pump, without t e assistance of by-path 40, 50, but when it would be desired to lill the fuel tank quickly, the large amount of air introduced into the intake manifold by way of the valve 28 and the tube 36, might interfere materially with the successful operation of the engine. By introducing a small amount of fuel, however, into the air current in the tube 36, a combustible mixture is maintained. This is accomplished by the by-path 40, 50 and the amount of fuel so introduced is controlled b the needle valve 29. This valve is so locate that its adjustment need not be disturbed except when it is desired to use the by-path 40, 50 as a primer, in which case it is opened a little wider, then priming is accomplished by opening the valve 28 and cranking the engine. Fittin 42 is simpl a T-union with one en threaded to fist the openin in the bottom of the gasolene tank, the ot er two ends are threaded for connection to by-path 40, 50 and to the carbureter. Where more than one fuel tank is used, as is the case with the kerosene tractor shown in Figure 1, an auxiliary tank as 46 is not necessary as the engine can be supplied with fuel from one tank while filling the other and vice versa. It is not necessary or desirable to lill the fuel tank when the engine is not rlmning, except when the operator is so negligent as to allow both fuel tanks to run dry, and

Therefore, a more lengthy description isl thought unnecessary. Minor changes coming within the field of invention may be resorted to if desired.

Having thus described the invention, what I claim as new and desire to secure by Letters Patent is 1. In combination, a main fuel tank, an I.

auxiliary fuel tank, means connected with the filler necks of said tanks to permit fuel to be supplied to said tanks, separate conduits 'connected with said means, a control valve with whichsaid conduits are conn ected, a suction conducting pipe connected with said control valve, and an internal combustion engine having an intake manifold with which said suction conducting pipe is connected.

2. In combination, a main fuel tank, an

auxiliary fuel tank, means connected withv the filler necks of said tanks to permit fuel to be supplied to said tanks, separate conduits connected with said means, a control valve with which said conduits are connected, a suction conducting pige connected with said control valve, a y-pass also connected with said valve and with said auxiliary tank, independent means for controlling the suction through said ley-pass, an internal combustion engine having an intake manifold with which is connected said suction conducting pipe.

In testimony 'whereof I- ailix my signature.

SEVERIN F. CZERNER. 

